package org.fall.mvc.interceptor;

import crowd.entity.Admin;
import org.fall.constant.CrowdConstant;
import org.fall.exception.AccessForbiddenException;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 * @author XZ
 * @create 2021-12-03 11:49
 */

public class LoginInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o) throws Exception {
        HttpSession session = httpServletRequest.getSession();
        Admin admin = (Admin) session.getAttribute(CrowdConstant.LOGIN_ADMIN_NAME);
        if (admin == null) {
            throw new AccessForbiddenException(CrowdConstant.MESSAGE_ACCESS_FORBIDDEN);
        }
        return true;
    }

    @Override
    public void postHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, ModelAndView modelAndView) throws Exception {

    }

    @Override
    public void afterCompletion(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, Exception e) throws Exception {

    }
}
